MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91d20ed7e7cb5e93f1a7c51ae70ff4f45bd444b9547f0dfad6dcccec6e7aa8b8. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



MarsStealer


Vendor detections: 17


Intelligence 17 IOCs YARA File information Comments

SHA256 hash: 91d20ed7e7cb5e93f1a7c51ae70ff4f45bd444b9547f0dfad6dcccec6e7aa8b8
SHA3-384 hash: 08d58c920f7ac692a9fed357e124a7149acf10bc1efec6c2ddd211d36ae4f6871b8bf6a4ffa672fa585f2c9149f6ac05
SHA1 hash: 181b3898125e89809f0a8a113ba76cca0eafe634
MD5 hash: dcd1d03f386dab945a8b534dac3d7622
humanhash: lithium-idaho-pennsylvania-cup
File name:file
Download: download sample
Signature MarsStealer
File size:1'884'672 bytes
First seen:2024-10-01 17:30:20 UTC
Last seen:2024-10-01 17:31:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:Lpkf41ali1HU/bPs3CcE0VWPj1EFS6svxdZf4l0fnVB:Z1OGHcbkyctSgsZdZfG0fT
Threatray 1 similar samples on MalwareBazaar
TLSH T19C9533F65C000637DCDD4D75E752E34456F0E163A78E278BA0AB02B56627328AE48EDF
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://185.215.113.103/steam/random.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
368
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-01 17:32:00 UTC
Tags:
stealer stealc loader themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Lien Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
StrelaStealer
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
PE file contains section with special chars
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-10-01 17:31:06 UTC
File Type:
PE (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:doma credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
2cdac3e9858e00a40bc6e5b633a664fd54d7c5c782753eea8084929bc12b67d1
MD5 hash:
258d99e5015b7a203a6a59848a89f83a
SHA1 hash:
53b2fbe83ba9ef5a941985bf673692d7f65ab6e2
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
91d20ed7e7cb5e93f1a7c51ae70ff4f45bd444b9547f0dfad6dcccec6e7aa8b8
MD5 hash:
dcd1d03f386dab945a8b534dac3d7622
SHA1 hash:
181b3898125e89809f0a8a113ba76cca0eafe634
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

MarsStealer

Executable exe 91d20ed7e7cb5e93f1a7c51ae70ff4f45bd444b9547f0dfad6dcccec6e7aa8b8

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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